You’re talking about PUPs, Probably Unwanted Program(s).
Just be careful during the installation. Look at each screen carefully before clicking Next. You may want to unclick some default choices.
Ccleaner is not the only ‘free’ software doing this. Others are as well. It’s a way for them to make money.
I know, this is the second time I got burnt with Chrome, and one other time with McAffee from an Adobe update). But I was looking, I thought.